ABSITE: 10 Nutrition Exam Questions And
Answers 2025 Update.
Caloric need - Answer✔20-25 calories/kg/day
Calories in fat - Answer✔9 calories/g
Calories in protein - Answer✔4 calories/g
Calories in oral carbs - Answer✔4 calories/g
Calories in dextrose - Answer✔3.4 calories/g
What is the distribution of protein/fat/carbs? - Answer✔20% protein (20% should be essential
AA)
30% fat
50% carbs
What is the amount of protein you should have each day? - Answer✔1g protein/kg/day
How much can trauma, surgery or sepsis increase kcal requirements? - Answer✔20-40%
How much does pregnancy increase kcal requirements? - Answer✔300kcal/day
How much does lactation increase kcal requirements? - Answer✔500kcal/day
Equation for calories required in burns? - Answer✔25kcal/kg/day + (30 kcal/day x % burn)
Equation of protein required in burns? - Answer✔1-1.5g/kg/day + (3g x % burn)
How much does a fever increase basal metabolic rate? - Answer✔10% for every degree above
38.0oC
How do you calculate caloric need in obese patients? - Answer✔weight = [(actual weight - IBW)
x 0.25] + IBW
What are the components of the Harris-Benedict equation? - Answer✔Weight, height, age,
gender
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What is the base for TPN? Max? - Answer✔Glucose based
Max - 3g/kg/hr
What is the base for PPN? - Answer✔Fat based
Fuel for colonocytes? - Answer✔Short-chain fatty acids (i.e. butyric acid)
Fuel for small bowel enterocytes? - Answer✔Glutamine
What is the most common AA in the bloodstream and tissues? - Answer✔Glutamine
Role of glutamine in the kidney? - Answer✔Helps with nitrogen excretion via releasing NH4 in
the kidney
Primary fuel for most neoplastic cells? - Answer✔Glutamine
Half life of albumin - Answer✔18 days
Half life of transferrin - Answer✔10 days
Half-life of prealbumin - Answer✔2 days
Acute indicators of nutritional status - Answer✔Retinal binding protein
Prealbumin
Transferrin
Equation for IBW? - Answer✔Men = 106lbs + 6lbs for each inch over 5ft
Women = 100lbs + 5lbs for each inch over 5ft
What are the preoperative signs of poor nutritional status? - Answer✔Acute weight loss >10%
in 6 months
Weight <85% of IBW
Albumin <3.0
What is a indicator of nutritional status that is also a strong risk factor for morbidity and
mortality after surgery? - Answer✔Low albumin (<3.0)
What is the respiratory quotient (RQ)? - Answer✔Ratio of CO2 produced to O2 consumed
Measure of energy espenditure
What does RQ > 1 indicate? - Answer✔Lipogenesis
Overfeeding
Treat by decreasing carbs and caloric intake
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